Plant for the treatment of the web in the spinning of textile fibers



Dec. 23, 1952 H. c. M. H. DUESBERG 2,622,281

PLANT FOR THE TREATMENT OF THE WEB IN THE SPINNING OF TEXTILE FIBERSFiled Dec. 26, 1947 A bar Chofles NmqzHevm Due 9 15 Huber, \NVENTOQPatented Dec. 23, 1952 v PLANT FOR THE TREATMENT OF THE WEB IN THESPINNING OF TEXTILE FIBERS Hubert Charles Marie Henri Duesberg, Heusy,Belgium Application December 26, 1947, Serial No. 793,920

In Belgium December 31,

' 2 Claims.

In the spinning of textile fibres and more particularly in the spinningof carded wool. use is made of devices comprising two metallic cylindersarranged one above the other and between which the web formed by thetextile fibres passes so as to obtain the crushing and-elimination ofthe burrs, impurities and hard fibres, etc. which occur on the web. V

It often happens that at its inlet or at its outlet from this device theweb must travel a relatively long distance. may break which causesusually a hold up in the manufacture and gives rise to loss of material,time, work and labour.

In order to prevent the falling of the web various means have beenemployed, in particular leather aprons which come into contact with thelower metallic cylinder and a supplementary function of which is toclean this lower cylinder.

Those leather aprons present difliculties as they do not always maintaintheir original dimensions. They sometimes have a tendency to stretch andbecome irregularly deformed particularly when they are submitted to theinfluence of the products on the fibres (oils, greases, etc.).

Various other means have also been suggested, in particular wooden ormetal cylinders which are smooth, grooved or covered with card clothing,leather or rubber aprons, wooden lath aprons, etc.

The wood is influenced by the heat and hu midity which exists in textilemills and moreover this material often presents a certain roughnesswhich catches on to the fibres. Metal (steel, tin plate, cast-iron,etc.) may be polished and-does not then present any roughness but it isnot to be recommended when the temperature .of the workroom is low; inthis case the greasy materials (grease oil products etc.) whichimpregnate the textile fibres have a tendency to coagulate principallywhere the temperature is lowest as occurs in passing on to the metalliccylinders.

This results in the web sticking to the cylinders and it is not easilydetached therefrom.

Lath aprons have the defect of gripping certain fibres between two lathsor at the fastening of the laths and thus cause catches or tears in theweb. Cylinders covered with card clothing avoid those inconveniences butthey, must afterwards be stripped by some means (comb beater, variouskinds of cylinders etc.) This results in considerable loss of space, ahigher price and greater complication for the drive of these.

additional members.

Due to this fact the web 7 at the outlet of the pressure device underthe web and at proximity of the lower cylinder of a roller of anagglomerate of asbestos and susceptible of receiving a good polish.

According to a particular form of the invention these rollers may bemade of asbestos or an agglomerate basically of asbestos.

The chosen material is preferably treated in such a way as to have avery smooth and highly polished exterior surface so as to prevent thefibres being caught thereby.

The use of these cylinders is as follows: the direction of rotation ofthe cylinders is determined by the direction of movement of the webwhich they have to support, but the speed should be regulated so as toensure the best transportation of the web either at the inlet or at theoutlet of any apparatus.

The annexed drawing shows by way of a nonlimiting example a form ofembodiment of the invention.

In the drawing, 1 represents the web which has to be supported and comesfrom a carding cylinder 2, and 3 and 4 are the two cylinders arrangedone above the other. The upper cylinder 3 rests on the lower cylinder 4and its effective weight is increased by some pressure means (forexample a spring not shown). The rollers 3 and 4 are mounted in bearings5 and 6 which can slide vertically in guides formed by the uprights'l--8 of the frame.

The effect of the pressure on the web produced by the cylinders 3 and 4causes the crushing and eliminating of the burrs, impurities and hardfibres, etc. which occur on the web.

In accordance with the invention and in order to support the web betweenthe dofflng comb 9 and the pressure cylinders 3-4, and again'between thelatter and the delivery mechanism of the card (endless band ortravelling ribbon I 0 or a metal drum) there is provided at the pointvof entry and at the outlet of the pressing apparatus a supportingcylinder I l--I 2 arranged as explained below, one of these cylindersbeing disposed between the card 2 and the cylinder 4 and the otherbetween the latter and the delivery mechanism Ill. The cylinders II andH are made of an agglomerate of asbestos and can have a high polish.

The distance between each supporting cylinder H or I! and the lowerpressing cylinder 4 is adjustable, it never however reaches zero. Theposition in height of these cylinders may also be variable.

The speed of the cylinders H and I2 may likewise be adjusted to obtainadequate and most suitable removal of the textile web.

The drive of the cylinders l|l2 is obtained by means of a belt l3passing (a') over a pulley M journaled on the shaft l5 of the roller 4;(b) on pulleys l6l'| fixed on the shafts l8--l9 of the cylinders II andI2 and (c) on the guide pulleys 28--2|22.

The drive of the cylinders I l and l-Zfrh'ay befold tained by a flat ortrapezoidal belt. In the lat.-. ter case the rollers |6-ll fixed ontheshafts 3-! 9 may be expandable pulleys with adjustable diameters so thatthey can regulate the speed of the cylinders II and I2.

In the case of a flat belt the rollers must be changed or theirdiameters must be varied by the inserting of leather or other means.

What I claim'i's:

1. A machine for the'rem'ova lof foreign bodies from a web produced by acarding engine, comprising: at least one pair of superposed rotarypressing cylinders between which said web passes and by which saidforeign bodies are removed; two rotary supporting cylindersfor saidweb'disposed at opposite-sides of said-pressing cylinders and extendingparallel thereto, said supporting cylinders being disposed in proximityto the lower of said pressing cylinders, the axis of each of saidsupporting cylinders being located beneath the common tangent to saidpressing cylinders, each supporting cylinder having a peripheral surfaceportion for engagement with said web consisting of an agglomerateofvasbestoathe'surface of said asbestos being polished; and means forsimultaneously driving said supporting cylinders and said pressingcylinders.

2. A machine according to claim 1, in which said ldriving. means:comprises a pulley rotatable with each ofsaid cylinders and an endlessbelt interconnectingall of said pulleys.

HUBERT CHARLES MARIE HENRI DUESBERG.

REFERENCES CITED The; following references are of record in the file ofthis patent:

' UNITED STATES! PATENTS:

Great Britain or 1887'

